LRUCM Training & certification - NDT · recognised training and certification scheme for guided wave testing personnel. •The scheme should be delivered through national NDT Societies

Copyright © 2008, TWI LtdWorld Centre for Materials Joining Technology

LRUCMLRUCMTraining and CertificationTraining and Certification

Malcolm SpicerMalcolm SpicerTWI LtdTWI Ltd

Cambridge UKCambridge UK


LRUCM Training & CertificationLRUCM Training & Certification•• Training and certification for the five main Training and certification for the five main

NDT methods (PT, MT, ET, UT & RT) is well NDT methods (PT, MT, ET, UT & RT) is well established.established.

•• New methods and techniques are continually New methods and techniques are continually being developed e.g. AE, TOFD, PAUT, IR being developed e.g. AE, TOFD, PAUT, IR etc.etc.

•• This includes Guided Wave Ultrasonic This includes Guided Wave Ultrasonic Testing, GWUT, since 1997.Testing, GWUT, since 1997.


LRUCM Project LRUCM Project –– AimsAims•• There is a need to develop a consistent and There is a need to develop a consistent and

recognised training and certification scheme recognised training and certification scheme for guided wave testing personnel.for guided wave testing personnel.

•• The scheme should be delivered through The scheme should be delivered through national NDT Societies and Certification national NDT Societies and Certification Bodies.Bodies.

•• Training course syllabus and materialTraining course syllabus and material•• Library of specimens for training and Library of specimens for training and

examinationsexaminations•• Certification examinations to EN473/ISO Certification examinations to EN473/ISO

97129712


LRUCM Training & CertificationLRUCM Training & Certification•• A certification group, made up from A certification group, made up from

representatives of the project partners, representatives of the project partners, addressed the following items:addressed the following items:–– SyllabusSyllabus–– Training materialTraining material–– Examination materialsExamination materials–– Recommended practiceRecommended practice


LRUCM Training & CertificationLRUCM Training & Certification•• Draft document has been producedDraft document has been produced•• Applies to any test equipmentApplies to any test equipment•• Applies to any product sectorApplies to any product sector•• It is strongly recommended that training and It is strongly recommended that training and

examination is carried out on the same examination is carried out on the same equipment and product typeequipment and product type


LRUCM Training & CertificationLRUCM Training & Certification•• The draft document is applicable to the The draft document is applicable to the

following applications:following applications:–– PipelinesPipelines–– RailsRails–– Bridge cablesBridge cables–– Sheet pilingSheet piling–– Heat exchanger tubingHeat exchanger tubing–– Lamp postsLamp posts


LRUCM Training & CertificationLRUCM Training & Certification•• Levels of qualification:Levels of qualification:

–– Level 1Level 1 Not yet specifiedNot yet specified–– Level 2Level 2 is competent to:is competent to:

•• Choose the test techniques to be usedChoose the test techniques to be used•• Modify techniques to suit specific applicationsModify techniques to suit specific applications•• Determine optimum test parametersDetermine optimum test parameters•• Set up and calibrate equipmentSet up and calibrate equipment•• Perform fault finding and maitenancePerform fault finding and maitenance•• Interpret and evaluate resultsInterpret and evaluate results•• Develop NDT instructions and report resultsDevelop NDT instructions and report results•• Identify the capabilities and limitations of testIdentify the capabilities and limitations of test•• Develop and modify test proceduresDevelop and modify test procedures

–– Level 3Level 3 As conventional UT level 3 with GWUT knowledge As conventional UT level 3 with GWUT knowledge to level 2to level 2


LRUCM Training & CertificationLRUCM Training & Certification•• EligibilityEligibility

–– As a minimum hold Level 1 conventional UTAs a minimum hold Level 1 conventional UT–– Undertake a minimum amount of trainingUndertake a minimum amount of training

•• Direct to Level 2 Direct to Level 2 –– 80 hours80 hours•• Level 2 holding Level 1 Level 2 holding Level 1 –– 40 hours40 hours

–– Have a minimum of 6 months experienceHave a minimum of 6 months experience–– Pass a vision testPass a vision test

•• Jaeger 2 or Times new roman N4 at 30cmJaeger 2 or Times new roman N4 at 30cm•• Colour perception sufficient for the methodColour perception sufficient for the method


LRUCM Training & CertificationLRUCM Training & Certification•• Exam FormatExam Format

Level 2

General UT theory40 Q’s

Practical

Instruction writing

Specific GWUT theory

30 Q’sInterpretation

and Evaluation of data

Use of equipment


LRUCM Training & CertificationLRUCM Training & Certification

•• 40 multi40 multi--choice objective questions. To choice objective questions. To address general UT theory topics pertinent to address general UT theory topics pertinent to GWUT.GWUT.

General UT theory40 Q’s

Specific GWUT theory

30 Q’s

••30 multi30 multi--choice objective questions. To choice objective questions. To address specific GWUT topics.address specific GWUT topics.



•• Carry out an inspection of a length of pipe in Carry out an inspection of a length of pipe in the presence of the invigilator, to a suitable the presence of the invigilator, to a suitable check list.check list.

•• Correctly save the collected dataCorrectly save the collected data•• Correctly carry out any additional operations Correctly carry out any additional operations

peculiar to the test equipment as required by peculiar to the test equipment as required by the examiner.the examiner.

Use of equipment



•• Interpret 12 sets of data previously collected Interpret 12 sets of data previously collected from a range of test types selected by the from a range of test types selected by the examiner.examiner.A proportion of these are to have faults in the A proportion of these are to have faults in the collection process which must be identified.collection process which must be identified.

Interpretation and Evaluation

of data



•• Draft an NDT instruction suitable for a Level 1 Draft an NDT instruction suitable for a Level 1 to follow.to follow.

Instruction writing


LRUCM Training & CertificationLRUCM Training & CertificationSyllabusSyllabus•• The full syllabus includes all the information The full syllabus includes all the information

that a LRUT operator needs to knowthat a LRUT operator needs to know•• It has been divided into Level 1 and Level 2 It has been divided into Level 1 and Level 2

required knowledgerequired knowledge•• If a certification body needs to provide a If a certification body needs to provide a

Level 1 qualification, then they can take the Level 1 qualification, then they can take the Level 1 element of the syllabus alone.Level 1 element of the syllabus alone.


LRUCM Training & CertificationLRUCM Training & CertificationTraining and Examination materialTraining and Examination material•• Pipe samplesPipe samples

–– Material:Material: Carbon and Low alloy steelCarbon and Low alloy steel–– Diameter:Diameter: between 100mm (4 inch) and 610mm (24 inch)between 100mm (4 inch) and 610mm (24 inch)–– Thickness:Thickness: between 5mm and 55mmbetween 5mm and 55mm–– Length:Length: 12 m (incl. 1 bend, min. 2 m after the bend)12 m (incl. 1 bend, min. 2 m after the bend)–– Coating:Coating: unun--coated, paint.coated, paint.–– No. of welds:No. of welds: 2 on the straight part of the pipe (should be 2 on the straight part of the pipe (should be

uniform and defect free)uniform and defect free)–– No. of bends:No. of bends: 1 (if only 2 welds present, the bend should not 1 (if only 2 welds present, the bend should not

separate these)separate these)–– No. of defects:No. of defects: 4 (at least 1 at the weld, 1 at the support, the 4 (at least 1 at the weld, 1 at the support, the

rest along the pipe)rest along the pipe)–– Support:Support: industry acceptable typeindustry acceptable type


LRUCM Training & CertificationLRUCM Training & CertificationTraining and Examination materialTraining and Examination material•• Data setsData sets

–– Type of coatings:Type of coatings: concrete, concrete, bitumenbitumen, painted surfaces, plastic, , painted surfaces, plastic, epoxy, thermal insulation, foamsepoxy, thermal insulation, foams

–– Type of supports:Type of supports: simple support, longitudinal welded, simple support, longitudinal welded, circumferential welded, circumferential saddle circumferential welded, circumferential saddle welded, clamp supportwelded, clamp support

–– Type of surrounding:Type of surrounding: air, sand, mud, water, clay, road crossingair, sand, mud, water, clay, road crossing–– Contents of the pipe:Contents of the pipe: gas, liquid (range of viscosities), gas, liquid (range of viscosities),

sediments and depositssediments and deposits–– Types of defects:Types of defects: corrosion (concentrated, distributed) or other corrosion (concentrated, distributed) or other

losses of material in parent material, at supports, losses of material in parent material, at supports, welds and bends; Gross weld defectswelds and bends; Gross weld defects

–– Pipe features:Pipe features: bends (45bends (45°°, 90, 90°°, cast, drawn, range of radius), , cast, drawn, range of radius), welds, flanges, twelds, flanges, t--pieces, branches, taps, stainless pieces, branches, taps, stainless steel pipessteel pipes


SummarySummary•• AcheivmentsAcheivments

–– Syllabus developedSyllabus developed–– Recommended practice producedRecommended practice produced–– Training & exam materials specification producedTraining & exam materials specification produced

•• Work to be doneWork to be done–– Develop a question bankDevelop a question bank–– Develop a data set bankDevelop a data set bank–– Run a trainRun a train--thethe--trainer coursetrainer course–– Run a pilot examRun a pilot exam



Any questions please?Any questions please?

Documents

LRUCM Training & certification - NDT · recognised training and certification scheme for guided wave testing personnel. •The scheme should be delivered through national NDT Societies